59 lines
No EOL
2.2 KiB
C#
59 lines
No EOL
2.2 KiB
C#
using System.Net;
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using Iceshrimp.Backend.Controllers.Schemas;
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namespace Iceshrimp.Backend.Core.Middleware;
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public class ErrorHandlerMiddleware(ILoggerFactory loggerFactory) : IMiddleware {
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public async Task InvokeAsync(HttpContext ctx, RequestDelegate next) {
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try {
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await next(ctx);
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}
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catch (Exception e) {
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ctx.Response.ContentType = "application/json";
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// Get the name of the class & function where the exception originated, falling back to this one
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var type = e.TargetSite?.DeclaringType?.FullName ?? typeof(ErrorHandlerMiddleware).FullName!;
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if (type.Contains('>'))
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type = type[..(type.IndexOf('>') + 1)];
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var logger = loggerFactory.CreateLogger(type);
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if (e is GracefulException ce) {
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ctx.Response.StatusCode = (int)ce.StatusCode;
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await ctx.Response.WriteAsJsonAsync(new ErrorResponse {
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StatusCode = ctx.Response.StatusCode,
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Error = ce.Error,
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Message = ce.Message,
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RequestId = ctx.TraceIdentifier
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});
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logger.LogDebug("Request {id} was rejected with {statusCode} {error} due to: {message}",
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ctx.TraceIdentifier, (int)ce.StatusCode, ce.Error, ce.Message);
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}
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else {
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ctx.Response.StatusCode = 500;
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await ctx.Response.WriteAsJsonAsync(new ErrorResponse {
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StatusCode = 500,
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Error = "Internal Server Error",
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Message = e.Message,
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RequestId = ctx.TraceIdentifier
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});
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//TODO: use the overload that takes an exception instead of printing it ourselves
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logger.LogError("Request {id} encountered an unexpected error: {exception}", ctx.TraceIdentifier,
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e.ToString());
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}
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}
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}
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}
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//TODO: Allow specifying differing messages for api response and server logs
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//TODO: Make this configurable
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public class GracefulException(HttpStatusCode statusCode, string error, string message) : Exception(message) {
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public readonly string Error = error;
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public readonly HttpStatusCode StatusCode = statusCode;
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public GracefulException(HttpStatusCode statusCode, string message) :
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this(statusCode, statusCode.ToString(), message) { }
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public GracefulException(string message) :
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this(HttpStatusCode.InternalServerError, HttpStatusCode.InternalServerError.ToString(), message) { }
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} |